#载入编译配置
include config.mk
all:
#-C是指定目录
#make -C signal

#调用shell里边的变量用两个$
	@for dir in $(BUILD_DIR); \
	do \
		make -C $$dir; \
	done


clean:
	rm -rf app/link_obj app/dep nginx
	rm -rf signal/*.gch app/*.gch
